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Orbits


Tyneside, UK
2024 Jun 15
Saturday, Day 167

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Primary source of unclassified orbital elements

Orbital elements based on amateur observations
Sun-synchronous Satellites - Meteorology by LTDN

This a list of satellites in sun-synchronous orbit shown in the order they lie around the Earth. Names are not necessarily those by which they are known in the NORAD catalogue used by SpaceTrack.

It is a snapshot and is updated daily. The measure that results in an entry in this table is that the drift rate of LTDN (Local Time at the Descending Node) is no more than twenty four minutes each year. Some satellites may have higher drift rates but they may still be acceptable to their owners/operators. They do not appear here. On the converse, although a satellite is in a sun-synchronous orbit, it is not necessarily active.

Cubesats less than 6U in size are excluded from the list because the vast majority reached space by hitch hiking and their final orbit was not important. Listing them would create an unnecessarily long page.

The menu on the left leads to some, hopefully useful, sub-lists of the satellites on this page.

Updated: 2024 Jun 15, 02:48 UTC

LTDN Satellite Cat
no
Desig- nation Orbit
Epoch
Orbit
00:03Nimbus 4 (Nimbus D)43621970-025A2024 Jun 141086 x 1097 km, 107.1 min, 100°.0
01:24NOAA 20 (JPSS, Joint Polar Satellite System 1)430132017-073A2024 Jun 14826 x 827 km, 101.4 min, 98°.7
02:01Fengyun 3A (Fengyun 3-01)329582008-026A2024 Jun 14821 x 836 km, 101.5 min, 98°.6
02:05ESSA 836151968-114A2024 Jun 141414 x 1463 km, 114.6 min, 101°.6
02:15NOAA 17274532002-032A2024 Jun 14799 x 814 km, 101.0 min, 98°.8
02:33AMS 4 (DMSP 5D-1 F-4)113891979-050A2024 Jun 14787 x 805 km, 100.8 min, 98°.5
02:58Meteor M-1358652009-049A2024 Jun 14815 x 817 km, 101.2 min, 98°.6
03:46NOAA 5 (ITOS H)90571976-077A2024 Jun 141509 x 1523 km, 116.3 min, 102°.2
03:54USA 210 (DMSP 5D-3 F-18)359512009-057A2024 Jun 14837 x 853 km, 101.8 min, 98°.8
04:24Fengyun 1B (Fengyun 1-02)207881990-081A2024 Jun 14873 x 895 km, 102.6 min, 98°.9
04:36NOAA 10169691986-073A2024 Jun 14788 x 805 km, 100.8 min, 98°.6
04:57NOAA 12212631991-032A2024 Jun 14794 x 814 km, 101.0 min, 98°.6
05:38Fengyun 3E (Fengyun 3-05)490082021-062A2024 Jun 14824 x 828 km, 101.4 min, 98°.7
05:39USA 249 (DMSP 5D-3 F-19)396302014-015A2024 Jun 14836 x 852 km, 101.8 min, 98°.8
06:11USA 109 (DMSP 5D-2 F-13)235331995-015A2024 Jun 14831 x 843 km, 101.7 min, 98°.8
06:15USA 191 (DMSP 5D-3 F-17)295222006-050A2024 Jun 14837 x 851 km, 101.8 min, 98°.7
06:57NOAA 6114161979-057A2024 Jun 14770 x 783 km, 100.4 min, 98°.6
07:21NOAA 15253381998-030A2024 Jun 14796 x 810 km, 100.9 min, 98°.6
07:34USA 73 (DMSP 5D-2 F-11)217981991-082A2024 Jun 14826 x 844 km, 101.6 min, 98°.8
08:32USA 131 (DMSP 5D-2 F-14)247531997-012A2024 Jun 14831 x 845 km, 101.7 min, 98°.9
09:10USA 106 (DMSP 5D-2 S-12)232331994-057A2024 Jun 14832 x 847 km, 101.7 min, 98°.8
09:22MetOp-B387712012-049A2024 Jun 14819 x 821 km, 101.3 min, 98°.6
09:30NOAA 7125531981-059A2024 Jun 14826 x 842 km, 101.6 min, 98°.9
09:30MetOp-C436892018-087A2024 Jun 14818 x 823 km, 101.3 min, 98°.7
10:40NOAA 18286542005-018A2024 Jun 14837 x 859 km, 101.9 min, 98°.9
13:12TIROS 1014301965-051A2024 Jun 14715 x 796 km, 99.9 min, 98°.4
14:07DMSP 5A F-2 (Defense Meteorological Satellite Program)35101968-092A2024 Jun 14778 x 820 km, 100.9 min, 98°.5
16:17DMSP 4A F-7 (Defense Meteorological Satellite Program)24181966-082A2024 Jun 14665 x 834 km, 99.8 min, 98°.2
17:06DMSP 5B F-3 (Defense Meteorological Satellite Program)62751972-089A2024 Jun 14771 x 820 km, 100.8 min, 98°.5
17:55USA 26 (DMSP 5D-2 F-8)181231987-053A2024 Jun 14818 x 838 km, 101.5 min, 98°.7
17:56DMSP 5D-2 F-6 (Defense Meteorological Satellite Program)137361982-118A2024 Jun 14787 x 797 km, 100.7 min, 98°.6
18:34AMS 3 (DMSP 5D-1 F-3)108201978-042A2024 Jun 14763 x 777 km, 100.2 min, 98°.5
19:13DMSP 5C F-1 (Defense Meteorological Satellite Program)74111974-063A2024 Jun 14766 x 826 km, 100.8 min, 98°.6
19:17DMSP 5C F-2 (Defense Meteorological Satellite Program)78161975-043A2024 Jun 14772 x 848 km, 101.1 min, 98°.7
20:14DMSP 5B F-4 (Defense Meteorological Satellite Program)67871973-054A2024 Jun 14763 x 802 km, 100.5 min, 98°.7
20:23DMSP 4A F-9 (Defense Meteorological Satellite Program)29201967-080A2024 Jun 14815 x 869 km, 101.8 min, 98°.7
20:31DMSP 5A F-3 (Defense Meteorological Satellite Program)40471969-062A2024 Jun 14764 x 826 km, 100.8 min, 98°.5
22:30Nimbus 3 (Nimbus B2)38901969-037A2024 Jun 141070 x 1129 km, 107.3 min, 99°.8
23:11Nimbus 5 (Nimbus E)63051972-097A2024 Jun 141087 x 1100 km, 107.1 min, 99°.9
23:30Nimbus 6 (Nimbus F)79241975-052A2024 Jun 141101 x 1112 km, 107.4 min, 100°.0
23:56ESSA 220911966-016A2024 Jun 141355 x 1414 km, 113.4 min, 101°.3

For the satellites that do not have formal published elements, thanks go to the radio and visual amateur satellite trackers for their observing, and particularly to Mike McCants for archiving the derived orbits.

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